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Sergio039 [100]
3 years ago
8

5. Evolution by natural selection was first put forth by

Biology
1 answer:
user100 [1]3 years ago
8 0

Answer:

Charles Darwin and Alfred Russel wallace in the 19th century

so the answer is d

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Assume that the import of a particular amino acid across the plasma membrane is observed to occur only down its concentration gr
vekshin1

Answer:

facilitated diffusion

Explanation:

In facilitated diffusion, certain transport proteins of membranes (channels and carriers) serve in transport of the substances across the membrane. The movement of the amino acid occurs down the concentration gradient only. In facilitated diffusion, transport of substances occurs from the region of their higher concentration to that of the lower concentration. It is a passive process. The addition of some other amino acid slows down the transport of the first amino acid due to the saturation effect. All the transport proteins that facilitate the diffusion of amino acids across the membrane become occupied. This slows down the transport of the amino acid.

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3 years ago
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oee [108]

Answer:

Nose, Trachea, Bronchi, Lungs (for inhalation)

Explanation:

Just reverse the answer for order of exhalation

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Since plants are green, they absorb every color except green, and reflect green away. They can't use the light unless they absorb it.

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What property of yeast makes it grow in number so rapidly?
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It is C. I just took a quiz on it
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Put carbohydrate protein and lipids in one sentence
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